If ? is an angle in the indicated quadrant, determine whether the given function is positive or negative.I, csc ?
A. Positive
B. Negative
Answer: A
Mathematics
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Find the angle between the vectors u and v.
, 
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the domain and range of the relation.{(7, 6), (12, 7), (9, 5), (9, 8)}
A. D: {5, 6, 7, 8}; R: {9, 7, 12} B. D: {9, 7, 12, 19}; R: {5, 6, 7, 8} C. D: {9, 7, 12, -9}; R: {5, 6, 7, 8} D. D: {9, 7, 12}; R: {5, 6, 7, 8}
Mathematics
Write a quadratic equation having the given numbers as solutions. - 
, - 
A. 2x2 - 
x + 7 = 0
B. 2x2 + 
x + 7 = 0
C. 2x2 + 21x - 9 = 0
D. 2x2 - 9x + 21 = 0
Mathematics
What are the dimensions of a rectangular tract of land if its perimeter is 50 kilometers and its area is 150 square kilometers? ?
A. 14 km × 19 km B. 10 km × 19 km C. 12 km × 15 km D. 10 km × 15 km E. 12 km × 17 km
Mathematics